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A multiscale modeling methodology for damage progression in polymer-based composites
Texas A&M University, College Station.
NASA Glenn Research Center, Cleveland.
Texas A&M University, College Station.
2009 (English)In: Proceedings: 12th International Conference on Fracture 12e Conférence Internationale sur la Rupture : Ottawa, Canada, July 12 - 17, 2009 = Comptes rendus, Ottawa: NRCanCANMET , 2009, Vol. 6, p. 4777-4786Conference paper, Published paper (Refereed)
Abstract [en]

Polymer-based composites are used in novel designs of jet engine fan blade containment cases. The performance of these structures is directly affected by its behavior under impact during a blade-out event. Here, we develop the basic ingredients of a multiscale modeling methodology, which includes a polymer model capable of accounting for intrinsic softening, tension-compression asymmetry, rate-sensitivity, thermal softening and kinematic-like hardening, as well as models of matrix cracking and fiber debonding. Material and fracture parameters are identified using epoxy data for various temperatures and strain rates. Results of unit-cell calculations are presented to discuss damage initiation and progression modes

Place, publisher, year, edition, pages
Ottawa: NRCanCANMET , 2009. Vol. 6, p. 4777-4786
Identifiers
URN: urn:nbn:se:ltu:diva-27931Local ID: 186d3012-96a7-4877-91f4-a0c77ed623a6ISBN: 9781617382277 (electronic)OAI: oai:DiVA.org:ltu-27931DiVA, id: diva2:1001122
Conference
International Conference on Fracture : 12/07/2009 - 17/07/2009
Note
Upprättat; 2009; 20130204 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-01-16Bibliographically approved

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Talreja, Ramesh

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